У вашего броузера проблема в совместимости с HTML5
Timestamps and tools used:
0:11 Game layout
0:37 Bet ID review
0:56 Merging seeds explanation (in theory)
1:17 Verifying the SHA-512 Hash
1:43 Verifying and explaining hash parts using hexadecimal to decimal converter
2:53 Calculating modulo 25 to get mine coordinate
3:44 Starting a game with more mines
4:16 Blanks explanation
4:57 Merging seeds manually and verifying Step 1
5:53 Provably fair tab
Sha-512 Hash Generator: http://www.convertstring.com/Hash/SHA512
Hexadecimal to decimal converter: https://www.binaryhexconverter.com/hex-to-decimal-converter
Remainder calculator: https://www.omnicalculator.com/math/remainder
Music: Goodbye Gravity - Lunation